1 files changed, 57 insertions, 0 deletions
diff --git a/src/main/java/org/onap/sdc/helmvalidator/helm/versions/ChartBasedVersionProvider.java b/src/main/java/org/onap/sdc/helmvalidator/helm/versions/ChartBasedVersionProvider.java
new file mode 100644
index 0000000..b892a33
--- /dev/null
+++ b/src/main/java/org/onap/sdc/helmvalidator/helm/versions/ChartBasedVersionProvider.java
@@ -0,0 +1,57 @@
+/*
+ * ============LICENSE_START=======================================================
+ * SDC-HELM-VALIDATOR
+ * ================================================================================
+ * Copyright (C) 2021 Nokia. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.sdc.helmvalidator.helm.versions;
+
+import org.onap.sdc.helmvalidator.helm.versions.exception.NotSupportedApiVersionException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class ChartBasedVersionProvider {
+
+    private final SupportedVersionsProvider supportedVersionsProvider;
+    private final ApiVersionsReader apiVersionsReader;
+
+    @Autowired
+    public ChartBasedVersionProvider(
+        SupportedVersionsProvider supportedVersionsProvider,
+        ApiVersionsReader apiVersionsReader) {
+        this.supportedVersionsProvider = supportedVersionsProvider;
+        this.apiVersionsReader = apiVersionsReader;
+    }
+
+    public String getVersion(String chartPath) {
+        String apiVersion = apiVersionsReader.readVersion(chartPath);
+        return mapToChartVersion(apiVersion);
+    }
+
+    private String mapToChartVersion(String apiVersion) {
+        switch (apiVersion) {
+            case "v1":
+                return supportedVersionsProvider.getLatestVersion("2");
+            case "v2":
+                return supportedVersionsProvider.getLatestVersion("3");
+            default:
+                throw new NotSupportedApiVersionException("Cannot obtain Helm version from API version: " + apiVersion);
+        }
+    }
+
+}